1 /* $NetBSD: if_le.c,v 1.25 2001/05/31 18:46:07 scw Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * Ralph Campbell and Rick Macklem. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 75 */ 76 77 #include "opt_inet.h" 78 #include "bpfilter.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/mbuf.h> 83 #include <sys/syslog.h> 84 #include <sys/socket.h> 85 #include <sys/device.h> 86 87 #include <net/if.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #ifdef INET 92 #include <netinet/in.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #include <machine/autoconf.h> 97 #include <machine/cpu.h> 98 #include <machine/bus.h> 99 100 #include <mvme68k/dev/pccreg.h> 101 #include <mvme68k/dev/pccvar.h> 102 103 #include <dev/ic/lancereg.h> 104 #include <dev/ic/lancevar.h> 105 #include <dev/ic/am7990reg.h> 106 #include <dev/ic/am7990var.h> 107 108 #include <mvme68k/dev/if_lereg.h> 109 #include <mvme68k/dev/if_levar.h> 110 111 112 int le_pcc_match __P((struct device *, struct cfdata *, void *)); 113 void le_pcc_attach __P((struct device *, struct device *, void *)); 114 115 struct cfattach le_pcc_ca = { 116 sizeof(struct le_softc), le_pcc_match, le_pcc_attach 117 }; 118 119 extern struct cfdriver le_cd; 120 121 #if defined(_KERNEL_OPT) 122 #include "opt_ddb.h" 123 #endif 124 125 #ifdef DDB 126 #define hide 127 #else 128 #define hide static 129 #endif 130 131 hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 132 hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t)); 133 134 hide void 135 le_pcc_wrcsr(sc, port, val) 136 struct lance_softc *sc; 137 u_int16_t port; 138 u_int16_t val; 139 { 140 struct le_softc *lsc; 141 142 lsc = (struct le_softc *) sc; 143 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 144 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); 145 } 146 147 hide u_int16_t 148 le_pcc_rdcsr(sc, port) 149 struct lance_softc *sc; 150 u_int16_t port; 151 { 152 struct le_softc *lsc; 153 154 lsc = (struct le_softc *) sc; 155 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 156 return (bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP)); 157 } 158 159 /* ARGSUSED */ 160 int 161 le_pcc_match(parent, cf, aux) 162 struct device *parent; 163 struct cfdata *cf; 164 void *aux; 165 { 166 struct pcc_attach_args *pa = aux; 167 168 if (strcmp(pa->pa_name, le_cd.cd_name)) 169 return (0); 170 171 pa->pa_ipl = cf->pcccf_ipl; 172 return (1); 173 } 174 175 /* ARGSUSED */ 176 void 177 le_pcc_attach(parent, self, aux) 178 struct device *parent; 179 struct device *self; 180 void *aux; 181 { 182 struct le_softc *lsc; 183 struct lance_softc *sc; 184 struct pcc_attach_args *pa; 185 bus_dma_segment_t seg; 186 int rseg; 187 188 lsc = (struct le_softc *) self; 189 sc = &lsc->sc_am7990.lsc; 190 pa = aux; 191 192 /* Map control registers. */ 193 lsc->sc_bust = pa->pa_bust; 194 bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); 195 196 /* Get contiguous DMA-able memory for the lance */ 197 if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, NBPG, 0, 198 &seg, 1, &rseg, 199 BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { 200 printf("%s: Failed to allocate ether buffer\n", self->dv_xname); 201 return; 202 } 203 if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, 204 (caddr_t *) & sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { 205 printf("%s: Failed to map ether buffer\n", self->dv_xname); 206 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 207 return; 208 } 209 sc->sc_addr = seg.ds_addr; 210 sc->sc_memsize = ether_data_buff_size; 211 sc->sc_conf3 = LE_C3_BSWP; 212 213 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 214 215 sc->sc_copytodesc = lance_copytobuf_contig; 216 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 217 sc->sc_copytobuf = lance_copytobuf_contig; 218 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 219 sc->sc_zerobuf = lance_zerobuf_contig; 220 221 sc->sc_rdcsr = le_pcc_rdcsr; 222 sc->sc_wrcsr = le_pcc_wrcsr; 223 sc->sc_hwinit = NULL; 224 225 am7990_config(&lsc->sc_am7990); 226 227 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 228 pccintr_evcnt(pa->pa_ipl), "ether", sc->sc_dev.dv_xname); 229 230 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 231 232 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 233 pa->pa_ipl | PCC_IENABLE); 234 } 235